Home / 28,250.47-38,982.98-16,919.76

Finding the Fourth Proportional to 28,250.47, 38,982.98 and 16,919.76

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Solution

The fourth proportional to 28,250.47, 38,982.98 and 16,919.76 is: 23,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.47 : 38,982.98 = 16,919.76 : x
  2. Step 2: Convert to fraction form
    28,250.47/38,982.98 = 16,919.76/x
  3. Step 3: Cross multiply
    28,250.47x = 38,982.98 × 16,919.76
  4. Step 4: Simplify right side
    28,250.47x = 659,582,428.47
  5. Step 5: Solve for x
    x = 659,582,428.47/28,250.47
  6. Step 6: Final answer
    x = 23,347.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.